#include <fstream>

using namespace std;

ifstream in("sum.in");
ofstream out("sum.out");

const int N=100001;

int c[N];

int main()
{
    int n,i,j,x;
    in>>n;
    for(i=2; i<N; i++) c[i]=i;
    for(i=2; i<N; i++)
    {
        if(c[i]==i)
        {
            for(j=i; j<N; j+=i)
            {
                c[j]=c[j]/i*(i-1);
            }
        }
    }
    for(int k=1; k<=n; k++)
    {
        in>>x;
        out<<(long long)c[x]*2*x<<"\n";
    }
    return 0;
}